Infrared spectroscopic study of uranyl biosorption by fungal biomass and materials of biological origin

Article Abstract:

Infrared spectroscopy of fungal biomasses that exhibit metal uptake revealed variations in the intensities of amine bands. Wavenumber of UO vibration bands also varied according to the pH and nature of ion species in the solution. Spectroscopic analysis of the cell wall, which is the primary site for metal ion sorption, revealed marked differences in sorption efficiency, suggesting that functional groups in fungal biomass are acting on the biosorption process.

Physiological aspects, Fungi, Physiological absorption, Metal ions, Absorption (Physiology)

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Measuring biological diversity

Article Abstract:

The measurement of biological diversity among the several millions of species on planet Earth is important for the proper allocation of conservation resources which are currently in limited supply. Two diversity measures were studied to evaluate their reliability in predicting the dissimilarity among different species. A very good agreement was observed between the results of the two diversity measurement techniques.

Measurement, Biological diversity, Biodiversity, Biological diversity conservation, Biodiversity conservation

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Biomass burning: a driver for global change

Article Abstract:

Scientists have only recently begun to realize that biomass burning has a significant impact on the amount of radiatively and chemically active gases and particulates in the atmosphere. Scientists are using a wide range of techniques, from simple field experiments to satellite imagery, to study biomass burning and much has been learned about the environmental impact of the phenomenon.

Causes of, Environmental aspects, Climatic changes, Climate change

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